The F38 series of miniature undertab conductive polymer tantalum capacitors has significantly reduced the ESR in several ratings, compared to previous versions. They include a 22-µF 0603 capacitor, with a low 1.0-mm profile and 6.3-V rating that has an ESR of only 200 mΩ at 100 kHz.
Values range from 10 to 68 µF at 6.3 V and 2.2 to 22 µF at 10 V. Leakage currents are specified at 10 to 86 µA and 100-kHz rms-rated current is 224 to 548 mA at 20°C. Tolerance is ±20% at 120 Hz and rated temperature is 85° or 60°C. An example 22-µF part number F380J226MMAAH1 is $0.23 ea/4,000.
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